65402560

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:414

約数の個数: 112

約数和(自身を含む): 169712640

約数和(自身を除く): 104310080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 347, 380, 496, 589, 608, 620, 694, 760, 992, 1178, 1216, 1240, 1388, 1520, 1735, 1984, 2356, 2480, 2776, 2945, 3040, 3470, 4712, 4960, 5552, 5890, 6080, 6593, 6940, 9424, 9920, 10757, 11104, 11780, 13186, 13880, 18848, 21514, 22208, 23560, 26372, 27760, 32965, 37696, 43028, 47120, 52744, 53785, 55520, 65930, 86056, 94240, 105488, 107570, 111040, 131860, 172112, 188480, 204383, 210976, 215140, 263720, 344224, 408766, 421952, 430280, 527440, 688448, 817532, 860560, 1021915, 1054880, 1635064, 1721120, 2043830, 2109760, 3270128, 3442240, 4087660, 6540256, 8175320, 13080512, 16350640, 32701280, 65402560]

約数ペア:

[(1, 65402560), (2, 32701280), (4, 16350640), (5, 13080512), (8, 8175320), (10, 6540256), (16, 4087660), (19, 3442240), (20, 3270128), (31, 2109760), (32, 2043830), (38, 1721120), (40, 1635064), (62, 1054880), (64, 1021915), (76, 860560), (80, 817532), (95, 688448), (124, 527440), (152, 430280), (155, 421952), (160, 408766), (190, 344224), (248, 263720), (304, 215140), (310, 210976), (320, 204383), (347, 188480), (380, 172112), (496, 131860), (589, 111040), (608, 107570), (620, 105488), (694, 94240), (760, 86056), (992, 65930), (1178, 55520), (1216, 53785), (1240, 52744), (1388, 47120), (1520, 43028), (1735, 37696), (1984, 32965), (2356, 27760), (2480, 26372), (2776, 23560), (2945, 22208), (3040, 21514), (3470, 18848), (4712, 13880), (4960, 13186), (5552, 11780), (5890, 11104), (6080, 10757), (6593, 9920), (6940, 9424)]